I recently discovered Google TV is actually awesome and not the dud I thought it was, which has helped me come across even more cool things the platform can do. One of the most interesting and lesser-known options is that Google TV can act as a wireless bridge for your Ethernet-only devices so you can broadcast them wirelessly across your network.

Most users connect their Google TV device to their home network via the built in high speed WiFi (802.11N). Few users know that they then can connect other "wired" Ethernet devices to the free Ethernet port on the Google TV devices. Google TV will forward all Internet traffic between those devices and the wireless network.
(You can check in the System Setup "Network Status" and verify that "Private Network" is enabled.

By enabling your "Private Network," anything plugged into the extra free Ethernet port on your Google TV will gain wireless capabilities. There are still several devices without Wi-Fi capabilities these days, and plenty of older ones you may still own, so this is a simple way to upgrade them without spending any extra money.